Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405401 | Toothbrush having a bristle pattern which provides enhanced cleaning | Geir Hellerud, Sapaporn Kangvanvegchkul, Thomas Mintel | 2002-06-18 |
| 6276019 | Toothbrush and method for making such toothbrush | Knut Olaf Leversby, Knut Andresen | 2001-08-21 |
| 6276020 | Toothbrush structure | Knut Olaf Leversby, Knut Andresen | 2001-08-21 |
| 5761759 | Toothbrush and method for making such toothbrush | Knut Olaf Leversby, Knut Andresen | 1998-06-09 |
| D387562 | Toothbrush | Joan Brady, Helen Benedict, Geir Oxseth, Helge Sletbak, Hilde Angelfoss | 1997-12-16 |
| D386905 | Toothbrush | Joan Brady, Helen Benedict, Geir Oxseth, Helge Sletbak, Hilde Angelfoss | 1997-12-02 |